Abstract
A search for anomalous carbon atoms \({}^{12}\tilde C\) — atoms with three K-shell electrons — is made by γ-activation analysis of boron with the impurity carbon removed radiochemically. A limit on the existence of such atoms was determined: \({}^{12}\tilde C/{}^{12}C < 2.5 \times 10^{ - 12} \). This corresponds to a limit on the lifetime with respect to violation of the Pauli principle by electrons in a carbon atom of τ⩾2×1021 yr.
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Pis’ma Zh. Éksp. Teor. Fiz. 68, No. 2, 104–108 (25 July 1998)
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Barabash, A.S., Kornoukhov, V.N., Tsipenyuk, Y.M. et al. Search for anomalous carbon atoms — evidence of violation of the Pauli principle during the period of nucleosynthesis. Jetp Lett. 68, 112–116 (1998). https://doi.org/10.1134/1.567831
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DOI: https://doi.org/10.1134/1.567831